TITLE:
Review on the Effects of Combined Pollution of Lead and Chromium on Soil Microorganisms and Treatment Methods
AUTHORS:
Guangyao Yang, Hongsheng Wu, Xiaoling Ma, Yujie Tang, Jia Li, Yao Chai, Chaomin Wang, Haichao Yang
KEYWORDS:
Compound Pollution, Heavy Metals, Soil Microorganisms
JOURNAL NAME:
Journal of Geoscience and Environment Protection,
Vol.8 No.9,
September
25,
2020
ABSTRACT: Heavy metals—Pb and Cr are important causes of environmental pollution, and they often coexist in nature. At present, the effects of Pb and Cr toxicity on soil microorganisms have been less studied, in soil environment which is extremely complex. Simulating soil environment and studying microbial reaction under various heavy metal conditions are of great significance for revealing microbial tolerance to heavy metals. In this paper, firstly, the related concepts of soil rechecking pollution are discussed, and the physical and chemical properties and forms of lead and chromium are introduced accordingly. Secondly, the effects of combined pollution of lead and chromium on soil microbial biomass, soil microbial community structure and soil microbial activity were discussed. Finally, the relevant treatment methods of heavy metal contaminated soil were put forward.